{"id":149471,"date":"2018-08-12T06:57:34","date_gmt":"2018-08-11T22:57:34","guid":{"rendered":"\/\/m.iemloyee.com\/?p=149471"},"modified":"2018-08-12T00:57:58","modified_gmt":"2018-08-11T16:57:58","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e4%ba%8c%e5%85%83%e9%92%99%e9%92%9b%e7%9f%bf%e9%94%b0%e6%b0%a7%e5%8c%96%e7%89%a9mn2o3%e4%b8%ad%e8%87%aa%e6%97%8b%e8%af%b1%e5%af%bc%e7%9a%84%e5%a4%9a%e9%93%81%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=149471","title":{"rendered":"Nature\u5b50\u520a\uff1a\u4e8c\u5143\u9499\u949b\u77ff\u9530\u6c27\u5316\u7269Mn2O3\u4e2d\u81ea\u65cb\u8bf1\u5bfc\u7684\u591a\u94c1\u6027"},"content":{"rendered":"<p><strong>\u3010\u524d\u8a00\u3011<\/strong><\/p>\n<p>\u9499\u949b\u77ff\u7ed3\u6784\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u4e3a\u51dd\u805a\u6001\u7269\u7406\u548c\u6750\u6599\u79d1\u5b66\u63d0\u4f9b\u4e86\u524d\u6240\u672a\u6709\u7684\u7814\u7a76\u821e\u53f0\u3002\u5b83\u4eec\u8868\u73b0\u51fa\u8bb8\u591a\u4ee4\u4eba\u5174\u594b\u7684\u73b0\u8c61\u548c\u529f\u80fd\u7279\u6027\uff0c\u5982\u5947\u5f02\u7684\u78c1\u6027\u3001\u94c1\u7535\u6027\u3001\u9ad8\u6e29\u8d85\u5bfc\u6027\u3001\u5de8\u78c1\u7535\u963b\u3001\u7535\u8377\/\u8f68\u9053\u6709\u5e8f\u3001\u663e\u8457\u7684\u70ed\u7535\u6548\u5e94\u3001\u5de8\u5927\u7684\u8d1f\u70ed\u81a8\u80c0\u3001\u5149\u7535\u6027\u3001\u591a\u94c1\u6027\u7b49\u7b49\u3002\u5728ABO<sub>3<\/sub>\u9499\u949b\u77ff\u7ed3\u6784\u4e2d\uff0c\u6709\u4e24\u4e2a\u4e0d\u540c\u7684\u9633\u79bb\u5b50\u4f4d\u70b9\uff0c\u5373\u7531\u6c27\u914d\u4f4d\u7684\u516b\u9762\u4f53B\u4f4d\u70b9\u548c\u7531\u7acb\u65b9\u516b\u9762\u4f53\u914d\u4f4d\u4e14\u7ecf\u5e38\u4e25\u91cd\u626d\u66f2\u7684A\u4f4d\u70b9\u3002\u534a\u5f84\u5c0f\u800c\u4e14\u7535\u8377\u591a\u7684\u8fc7\u6e21\u91d1\u5c5e\u9633\u79bb\u5b50\u901a\u5e38\u5360\u636eB\u4f4d\u70b9\uff0c\u4f46\u662f\u5b83\u4eec\u5f88\u96be\u9002\u5408\u5360\u636e\u5927\u768412\u914d\u4f4d\u7684A\u4f4d\u70b9\u3002\u7136\u800c\uff0c\u5728\u4e00\u7c7b\u72ec\u7279\u7684A\u4f4d\u6709\u5e8f\u9499\u949b\u77ff\u4e2d\uff0c\u5982\u9499\u949b\u77ff\u9530\u6c27\u5316\u7269(AMn<sub>3<\/sub>)Mn<sub>4<\/sub>O<sub>12<\/sub> (A\u2009=\u2009Na, Ca, La, Bi)\u4e2d\uff0c\u8fc7\u6e21\u91d1\u5c5e\u79bb\u5b50\u53ef\u4ee5\u90e8\u5206\u586b\u5145A\u4f4d\u3002\u5982\u679c\u66f4\u8fdb\u4e00\u6b65\uff0c\u8fc7\u6e21\u91d1\u5c5e\u79bb\u5b50\u5b8c\u5168\u5360\u636eA -\u4f4d\u5c06\u4ea7\u751fB<sub>2<\/sub>O<sub>3<\/sub>\u4e8c\u5143\u9499\u949b\u77ff\uff0c\u4f46\u662f\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\u8fd9\u4ecd\u7136\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c\u6765\u81ea<strong>\u5fb7\u56fd\u5df4\u7f57\u4f0a\u7279\u5927\u5b66\u7684<\/strong><strong>Sergey V. Ovsyannikov<\/strong><strong>\u535a\u58eb\u548c\u4e2d\u79d1\u9662\u7269\u7406\u6240\u7684\u5b59\u9633\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u8054\u5408\u5728Nature Communications\u4e0a\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1aSpin-induced multiferroicity in the binary perovskite manganite Mn<sub>2<\/sub>O<sub>3<\/sub>\u3002\u8be5\u56e2\u961f\u7684\u7814\u7a76\u8868\u660e\uff0c\u5728\u4e00\u5b9a\u7684\u9ad8\u6e29\u9ad8\u538b\u6781\u7aef\u6761\u4ef6\u4e0b\uff0c\u53ef\u4ee5\u5236\u5907\u51fa\u4e9a\u7a33\u76f8\u4e8c\u5143\u9499\u949b\u77ffMn<sub>2<\/sub>O<sub>3<\/sub>\uff0c\u8fd9\u79cd\u6750\u6599\u5728\u4f4e\u6e29\u4e0b\u8868\u73b0\u51fa\u78c1\u6709\u5e8f\u8bf1\u5bfc\u7684\u94c1\u7535\u6027\u548c\u663e\u8457\u7684\u78c1\u7535\u8026\u5408\u6548\u5e94\u3002\u4e2d\u5b50\u7c89\u672b\u884d\u5c04\u7ed3\u679c\u63ed\u793a\u4e86100 K\u4ee5\u4e0b\u4e24\u4e2a\u590d\u6742\u7684\u53cd\u94c1\u78c1\u7ed3\u6784\uff0c\u7531\u81ea\u65cb\u3001\u7535\u8377\u548c\u8f68\u9053\u81ea\u7531\u5ea6\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u9a71\u52a8\u3002Mn<sub>2<\/sub>O<sub>3<\/sub>\u9499\u949b\u77ff\u4e2d\u7279\u6709\u7684\u591a\u94c1\u6027\u5f52\u56e0\u4e8e\u6d89\u53ca\u591a\u79cd\u673a\u5236\u7684\u7efc\u5408\u6548\u5e94\u3002\u8be5\u56e2\u961f\u7684\u5de5\u4f5c\u8bc1\u660e\u4e86\u4e9a\u7a33\u76f8\u4e8c\u5143\u9499\u949b\u77ff\u6c27\u5316\u7269\u5728\u63a2\u7d22\u65b0\u578b\u78c1\u7535\u529f\u80fd\u6750\u6599\u65b9\u9762\u5177\u6709\u6781\u5927\u7684\u6f5c\u529b\u3002<\/p>\n<p>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/p>\n<p>\u56fe1. Mn<sub>2<\/sub>O<sub>3<\/sub>\u578b\u9499\u949b\u77ff\u7684\u6676\u4f53\u7ed3\u6784<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149472\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/1-10.png\" alt=\"\" width=\"600\" height=\"772\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/1-10.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/1-10-233x300.png 233w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a \u4e00\u79cd\u9ad8\u5ea6\u626d\u66f2\u548c\u503e\u659c\u7684\u9499\u949b\u77ff\u5355\u5143\u6676\u80de;<\/p>\n<p>b \u5728a = 4a<sub>p<\/sub>\u8d85\u7ea7\u6676\u80de\u5185\u6d4b\u5b9a\u7684\u4e8c\u5143\u9499\u949b\u77ffMn<sub>2<\/sub>O<sub>3<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\uff1b<\/p>\n<p>c \u9499\u949b\u77ffMn<sub>2<\/sub>O<sub>3<\/sub>\u7684\u76f8\u5bf9\u70ed\u81a8\u80c0( V<sub>0<\/sub>\u662f\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u5355\u4f4d\u6676\u80de\u4f53\u79ef)\uff1b<\/p>\n<p>\u56fe2. Mn<sub>2<\/sub>O<sub>3<\/sub>\u578b\u9499\u949b\u77ff\u7684\u78c1\u7279\u6027<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149474\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/2-1-1.png\" alt=\"\" width=\"600\" height=\"306\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/2-1-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/2-1-1-300x153.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a \u96f6\u573a\u51b7\u5374(ZFC)\u548c\u573a\u51b7\u5374(FC)\u6a21\u5f0f\u4e0b\u5728500 Oe\u78c1\u573a\u4e2d\u6d4b\u91cf\u7684\u76f4\u6d41\u78c1\u5316\u7387\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff1b<\/p>\n<p>b \u548cc \u8868\u793a\u5916\u52a0\u78c1\u573a\u5bf9\u4e0a\u8ff0\u78c1\u8f6c\u53d8\u7684\u5f71\u54cd\uff1b<\/p>\n<p>d \u4ea4\u6d41\u78c1\u5316\u7387\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff1b<\/p>\n<p>e 2K\u4e0b\u7684M &#8211; H\u66f2\u7ebf\u663e\u793a\uff0c\u78c1\u5316\u5f3a\u5ea6\u572813T\u65f6\u4f9d\u7136\u6ca1\u6709\u9971\u548c\uff1b<\/p>\n<p>\u56fe3. \u9499\u949b\u77ff\u578bMn<sub>2<\/sub>O<sub>3<\/sub>\u7684\u4e2d\u5b50\u884d\u5c04\u6570\u636e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149475\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/3-1-1.png\" alt=\"\" width=\"600\" height=\"770\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/3-1-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/3-1-1-234x300.png 234w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a, b \u5206\u522b\u572860k\u548c1.5k\u4e0b\u6536\u96c6\u7684\u4e2d\u5b50\u884d\u5c04\u56fe\u7684\u6539\u8fdb\uff1b<\/p>\n<p>\u56fe4. \u9499\u949b\u77ff\u578bMn<sub>2<\/sub>O<sub>3<\/sub>\u7684\u78c1\u7ed3\u6784<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149476\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/4-1-1.png\" alt=\"\" width=\"600\" height=\"534\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/4-1-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/4-1-1-300x267.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a \u9ad8\u6e29\u533a(49\u2009K\u2009&lt;\u2009T\u2009&lt;\u2009101\u2009K)\u7684\u78c1\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n<p>b \u4f4e\u6e29\u533a\u9636\u6bb5(T\u2009&lt;\u200949\u2009K)\u7684\u78c1\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n<p>\u56fe5.\u4e8c\u5143\u9499\u949b\u77ffMn<sub>2<\/sub>O<sub>3<\/sub>\u4e2d\u7684\u81ea\u65cb\u8bf1\u5bfc\u94c1\u7535\u6027<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149477\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/5-1-1.png\" alt=\"\" width=\"600\" height=\"714\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/5-1-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/5-1-1-252x300.png 252w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a \u4f5c\u4e3a\u6e29\u5ea6\u51fd\u6570\u7684\u4ecb\u7535\u5e38\u6570\u968f\u6e29\u5ea6\u7684\u53d8\u5316;<\/p>\n<p>b \u75280.4 MV\u2009m<sup>\u22121<\/sup>\u7684\u6781\u5316\u7535\u573a\u6d4b\u91cf\u7684\u7535\u6781\u5316\u968f\u6e29\u5ea6\u7684\u53d8\u5316;<\/p>\n<p>c \u7528\u4e0d\u540c\u6781\u5316\u7535\u573a\u6d4b\u91cf\u7684\u6781\u5316;<\/p>\n<p>d \u6781\u5316\u5f3a\u5ea6\u968f\u6781\u5316\u7535\u573a\u7684\u53d8\u5316;<\/p>\n<p>\u56fe6. \u4e8c\u5143\u9499\u949b\u77ffMn<sub>2<\/sub>O<sub>3<\/sub>\u4e2d\u7535\u6781\u5316\u7684\u78c1\u573a\u63a7\u5236<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149478\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/6-1-1.png\" alt=\"\" width=\"600\" height=\"881\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/6-1-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/08\/6-1-1-204x300.png 204w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a \u78c1\u573a\u5bf9\u70ed\u91ca\u7535\u7535\u6d41\u7684\u5f71\u54cd\uff1b<\/p>\n<p>b \u78c1\u573a\u5bf9\u6781\u5316\u7684\u5f71\u54cd\uff1b<\/p>\n<p>\u3010\u603b\u7ed3\u3011<\/p>\n<p>\u56e0\u6b64\uff0c\u9499\u949b\u77ff\u578bMn<sub>2<\/sub>O<sub>3<\/sub>\u4ee3\u8868\u4e86\u91c7\u7528\u590d\u6742\u626d\u66f2\u9499\u949b\u77ff\u7ed3\u6784\u7684\u4e8c\u5143\u9499\u949b\u77ff\u6c27\u5316\u7269\u7684\u72ec\u7279\u4f8b\u5b50\uff0c\u5e76\u8868\u73b0\u51fa\u81ea\u65cb\u8bf1\u5bfc\u7684\u591a\u94c1\u6027\u548c\u78c1\u7535\u8026\u5408\u6548\u5e94\u3002\u5728\u8fd9\u79cd\u6750\u6599\u4e2d\uff0cA\u4f4d\u88ab\u8fc7\u6e21\u91d1\u5c5e\u9633\u79bb\u5b50\u5b8c\u5168\u5360\u636e\uff0c\u56e0\u6b64\uff0cA\u4f4d\u7684\u4f5c\u7528\u88ab\u5927\u5927\u653e\u5927\uff0c\u5bfc\u81f4\u4e86\u6bd4\u4f20\u7edfABO<sub>3<\/sub>\u9499\u949b\u77ff\u66f4\u4e3a\u590d\u6742\u7684\u78c1\u7ed3\u6784\u548c\u66f4\u4e30\u5bcc\u7684\u78c1\u7535\u6027\u8d28\u3002\u516b\u9762\u4f53\u503e\u659c\u548c\u53d8\u5f62\u3001Jahn &#8211; Teller\u53d8\u5f62\u3001\u7535\u8377\/\u8f68\u9053\u6709\u5e8f\u548c\u591a\u91cd\u78c1\u76f8\u4e92\u4f5c\u7528\u7684\u7ed3\u5408\uff0c\u4e3a\u65b0\u6750\u6599\u7684\u8bbe\u8ba1\u548c\u5e94\u7528\u4ee5\u53ca\u5bf9\u5177\u6709\u6311\u6218\u6027\u7684\u57fa\u672c\u7269\u7406\u73b0\u8c61\u7684\u7814\u7a76\u5f00\u8f9f\u4e86\u4e00\u4e2a\u6709\u4ef7\u503c\u7684\u65b0\u5929\u5730\u3002\u867d\u7136\u4e9a\u7a33\u76f8\u9499\u949b\u77ff\u578bMn<sub>2<\/sub>O<sub>3<\/sub>\u7684\u4f53\u6750\u6599\u662f\u5728\u9ad8\u6e29\u9ad8\u538bHP &#8211; HT\u6761\u4ef6\u4e0b\u5408\u6210\u7684\uff0c\u4f46\u662f\uff0c\u8fd9\u79cd\u4e9a\u7a33\u76f8\u76f8\u4e5f\u8bb8\u53ef\u4ee5\u901a\u8fc7\u8584\u819c\u4e2d\u7684\u5916\u5ef6\u5e94\u53d8\u6765\u7a33\u5b9a\u3002\u5728\u5e38\u89c4\u73af\u5883\u538b\u529b\u4e0b\u5236\u5907\u8fd9\u79cd\u4e8c\u5143\u9499\u949b\u77ff\u5c06\u662f\u672a\u6765\u4e00\u4e2a\u6709\u5438\u5f15\u529b\u7684\u8bfe\u9898\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/www.nature.com\/articles\/s41467-018-05296-0\" target=\"_blank\" rel=\"noopener\">Spin-induced multiferroicity in the binary perovskite manganite Mn<sub>2<\/sub>O<sub>3<\/sub>,<\/a> (Nature Communications, 2018, DOI: 10.1038\/s41467-018-05296-0)<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com\u3002<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u524d\u8a00\u3011 \u9499\u949b\u77ff\u7ed3\u6784\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u4e3a\u51dd\u805a\u6001\u7269\u7406\u548c\u6750\u6599\u79d1\u5b66\u63d0\u4f9b\u4e86\u524d\u6240\u672a\u6709\u7684\u7814\u7a76\u821e\u53f0\u3002\u5b83\u4eec\u8868\u73b0\u51fa\u8bb8\u591a\u4ee4\u4eba\u5174\u594b\u7684\u73b0\u8c61\u548c\u529f\u80fd\u7279\u6027\uff0c\u5982\u5947\u5f02\u7684\u78c1\u6027\u3001\u94c1\u7535\u6027\u3001\u9ad8\u6e29\u8d85\u5bfc\u6027\u3001\u5de8\u78c1&#8230;<\/p>\n","protected":false},"author":3029,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-149471","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/149471"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/3029"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149471"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/149471\/revisions"}],"predecessor-version":[{"id":150406,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/149471\/revisions\/150406"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149471"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}